Home / 14,531.72-20,048.44-8,864.58

Finding the Fourth Proportional to 14,531.72, 20,048.44 and 8,864.58

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Solution

The fourth proportional to 14,531.72, 20,048.44 and 8,864.58 is: 12,229.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,531.72 : 20,048.44 = 8,864.58 : x
  2. Step 2: Convert to fraction form
    14,531.72/20,048.44 = 8,864.58/x
  3. Step 3: Cross multiply
    14,531.72x = 20,048.44 × 8,864.58
  4. Step 4: Simplify right side
    14,531.72x = 177,721,000.26
  5. Step 5: Solve for x
    x = 177,721,000.26/14,531.72
  6. Step 6: Final answer
    x = 12,229.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.